Topaz Value. Clarity and size have a significant effect on the value of topaz. The highest values go to the rare pink and red stones, then orange and yellow. Intense, reddish orange topaz is sometimes called Imperial Topaz.. Yellow, orange, and brown stones are somewhat common.
Types of Surgical Procedures. There are two types of colon resection: open surgery and laparoscopic surgery. The type of procedure performed depends on the diagnosis and the individual patient. Publication Review By: Stanley J. Swierzewski, III, M.D. Published: 31 Oct 2001.
Gastroenterologists are internists who specialize in diseases of the intestines. Gastroenterologists perform most colonoscopies. Colon and rectal surgeons are general surgeons with extra training in the surgical treatment of intestinal and rectal conditions. General surgeons specialize in the surgical treatment of a variety of diseases, disorders and conditions.